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Factory wired connection for CD player...

I purchased the correct model CD player for my car and it mounted with the factory mounting holes and connected right up to the plug. My CD player worked as soon as it was turned on.. With some radio head units, the coding may need to be changed so your head unit recognises the added on CD player. With some models and years, the code automatically changes once the CD player is attached and the radio head unit is turned on and the CD mode is activated. The correct code for a CD player is 06403. If you need to taylor the bass response to a lower level, the code is 00403. I needed to change the code after I had a Kicker amp installed that has very heavily biased bass response. This change in the code made all the difference in the world. If and when I change this amp for another, the code will be changed back. This code access is only thru use of the VAG-COM scanner that is in the audio module mode. Many service people do not even know that this code is available for reduced bass response. Good Luck with your purchase and install. I am sure it will be painless like mine.. JK
 
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